20188077255

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1\times {\mathrm{11909}}^1$

素因数の和:12385

約数の個数: 64

約数和(自身を含む): 37216368000

約数和(自身を除く): 17028290745

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 433, 435, 783, 1299, 1305, 2165, 3897, 3915, 6495, 11691, 11909, 12557, 19485, 35727, 37671, 58455, 59545, 62785, 107181, 113013, 178635, 188355, 321543, 339039, 345361, 535905, 565065, 1036083, 1607715, 1695195, 1726805, 3108249, 5156597, 5180415, 9324747, 15469791, 15541245, 25782985, 46409373, 46623735, 77348955, 139228119, 149541313, 232046865, 448623939, 696140595, 747706565, 1345871817, 2243119695, 4037615451, 6729359085, 20188077255]

約数ペア:

[(1, 20188077255), (3, 6729359085), (5, 4037615451), (9, 2243119695), (15, 1345871817), (27, 747706565), (29, 696140595), (45, 448623939), (87, 232046865), (135, 149541313), (145, 139228119), (261, 77348955), (433, 46623735), (435, 46409373), (783, 25782985), (1299, 15541245), (1305, 15469791), (2165, 9324747), (3897, 5180415), (3915, 5156597), (6495, 3108249), (11691, 1726805), (11909, 1695195), (12557, 1607715), (19485, 1036083), (35727, 565065), (37671, 535905), (58455, 345361), (59545, 339039), (62785, 321543), (107181, 188355), (113013, 178635)]